. it's time now for our closing argument. today, former republican senator chuck hagel faced a barrage of combative questions at his confirmation hearing as defense secretary. the toughest questions came from senator john mccain. >> will you please answer the question? were you correct or incorrect when you said that the surge would be the most dangerous foreign policy blunder in this country since vietnam? were you correct or incorrect? yes or no. >> my reference to -- >> are you going to answer the question, senator hagel? the question is were you right or wrong? that's a pretty straight forward question. >> well, do you think senator hagel is qualified to take the top post at the pentagon? why or why not? tell us what you think on the "nightline" facebook page, or you can tweet us. thanks for watching abc news. "good morning america" will be here waiting for you in the morning with the latest on the buildup to super bowl sunday. we're always online at abcnews.com. good night, america.